/// <summary>
/// This method is an alternate way of saving PCCs
/// Instead of reconstructing the PCC from the data taken, it instead copies across the existing
/// data, appends new exports, updates the export list, changes the namelist location and updates the
/// value in the header
/// </summary>
/// <param name="newFileName">The filename to write to</param>
/// <param name="attemptOverwrite">Do you wish to attempt to overwrite the existing export</param>
public string altSaveToFile(string newFileName, bool attemptOverwrite, int HeadeNameOffset = 34)
{
string rtValues = "";
string loc = Path.GetDirectoryName(Application.ExecutablePath);
//Check whether compressed
if (this.bCompressed)
{
Form2 decompress = new Form2();
decompress.Decompress(this.pccFileName);
decompress.Close();
//MessageBox.Show("Decompression complete");
}
//Get info
expInfoEndOffset = ExportOffset + Exports.Sum(export => export.info.Length);
if (expDataBegOffset < expInfoEndOffset)
expDataBegOffset = expInfoEndOffset;
//List<ExportEntry> unchangedExports = Exports.Where(export => !export.hasChanged || (export.hasChanged && export.Data.Length <= export.DataSize)).ToList();
List<ExportEntry> unchangedExports = Exports.Where(export => !export.hasChanged).ToList();
List<ExportEntry> changedExports;
List<ExportEntry> replaceExports = null;
if (!attemptOverwrite)
{
//If not trying to overwrite, then select all exports that have been changed
changedExports = Exports.Where(export => export.hasChanged).ToList();
//MessageBox.Show("No changed exports = " + changedExports.Count);
//throw new NullReferenceException();
}
else
{
//If we are trying to overwrite, then split up the exports that have been changed that can and can't overwrite the originals
changedExports = Exports.Where(export => export.hasChanged && export.Data.Length > export.DataSize).ToList();
replaceExports = Exports.Where(export => export.hasChanged && export.Data.Length <= export.DataSize).ToList();
}
//ExportEntry lastExport = unchangedExports.Find(export => export.DataOffset == unchangedExports.Max(maxExport => maxExport.DataOffset));
ExportEntry lastExport = Exports.Find(export => export.DataOffset == Exports.Max(maxExport => maxExport.DataOffset));
int lastDataOffset = lastExport.DataOffset + lastExport.DataSize;
byte[] oldPCC = new byte[lastDataOffset];
//byte[] oldName;
if (!attemptOverwrite)
{
int offset = ExportOffset;
foreach (ExportEntry export in Exports)
{
if (!export.hasChanged)
{
offset += export.info.Length;
}
else
break;
}
rtValues += offset.ToString() + " ";
using (FileStream stream = new FileStream(loc + "\\exec\\infoCache.bin", FileMode.Append))
{
stream.Seek(0, SeekOrigin.End);
rtValues += stream.Position + " ";
//throw new FileNotFoundException();
stream.Write(changedExports[0].info, 32, 8);
}
}
using (FileStream oldPccStream = new FileStream(this.pccFileName, FileMode.Open))
{
//Read the original data up to the last export
oldPccStream.Read(oldPCC, 0, lastDataOffset);
#region Unused code
/* Maybe implement this if I want to directly copy the names across.
* Not useful at this time
if (NameOffset == 0x8E)
{
oldName = new byte[ImportOffset - 0x8E];
oldPccStream.Seek(0x8E, SeekOrigin.Begin);
oldPccStream.Read(oldName, 0, (int)oldPccStream.Length - lastDataOffset);
}
else
{
oldName = new byte[oldPccStream.Length - lastDataOffset];
oldPccStream.Seek(lastDataOffset, SeekOrigin.Begin);
oldPccStream.Read(oldName, 0, (int)oldPccStream.Length - lastDataOffset);
}
* */
#endregion
}
//Start writing the new file
using (FileStream newPCCStream = new FileStream(newFileName, FileMode.Create))
{
newPCCStream.Seek(0, SeekOrigin.Begin);
//Write the original file up til the last original export (note that this leaves in all the original exports)
newPCCStream.Write(oldPCC, 0, lastDataOffset);
if (!attemptOverwrite)
{
//If we're not trying to overwrite then just append all the changed exports
foreach (ExportEntry export in changedExports)
{
export.DataOffset = (int)newPCCStream.Position;
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
}
else
{
//If we are then move to each offset and overwrite the data with the new exports
foreach (ExportEntry export in replaceExports)
{
//newPCCStream.Position = export.DataOffset;
newPCCStream.Seek(export.DataOffset, SeekOrigin.Begin);
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
//Then move to the end and append the new data
//newPCCStream.Position = lastDataOffset;
newPCCStream.Seek(lastDataOffset, SeekOrigin.Begin);
foreach (ExportEntry export in changedExports)
{
export.DataOffset = (int)newPCCStream.Position;
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
}
//Set the new nameoffset and namecounts
NameOffset = (int)newPCCStream.Position;
NameCount = Names.Count;
//Then write out the namelist
foreach (string name in Names)
{
newPCCStream.WriteValueS32(-(name.Length + 1));
newPCCStream.WriteString(name + "\0", (uint)(name.Length + 1) * 2, Encoding.Unicode);
}
//Move to the name info position in the header - not a strong piece of code, but it's working so far
//newPCCStream.Position = 34;
newPCCStream.Seek(HeadeNameOffset, SeekOrigin.Begin);
//And write the new info
byte[] nameHeader = new byte[8];
byte[] nameCount = BitConverter.GetBytes(NameCount);
byte[] nameOff = BitConverter.GetBytes(NameOffset);
for (int i = 0; i < 4; i++)
nameHeader[i] = nameCount[i];
for (int i = 0; i < 4; i++)
nameHeader[i + 4] = nameOff[i];
newPCCStream.Write(nameHeader, 0, 8);
//Finally, update the export list
newPCCStream.Seek(ExportOffset, SeekOrigin.Begin);
foreach (ExportEntry export in Exports)
{
newPCCStream.Write(export.info, 0, export.info.Length);
}
if (!attemptOverwrite)
{
using (FileStream stream = new FileStream(loc + "\\exec\\infoCache.bin", FileMode.Append))
{
stream.Seek(0, SeekOrigin.End);
rtValues += stream.Position + " ";
stream.Write(changedExports[0].info, 32, 8);
}
}
}
return rtValues;
}
